DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   ail
       n 1: aromatic bulb used as seasoning [syn: garlic, ail]
       v 1: be ill or unwell
       2: cause bodily suffering to and make sick or indisposed [syn:
          trouble, ail, pain]